Home / 11,048.76-16,579.80-4,128.12

Finding the Fourth Proportional to 11,048.76, 16,579.80 and 4,128.12

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Solution

The fourth proportional to 11,048.76, 16,579.80 and 4,128.12 is: 6,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.76 : 16,579.80 = 4,128.12 : x
  2. Step 2: Convert to fraction form
    11,048.76/16,579.80 = 4,128.12/x
  3. Step 3: Cross multiply
    11,048.76x = 16,579.80 × 4,128.12
  4. Step 4: Simplify right side
    11,048.76x = 68,443,403.98
  5. Step 5: Solve for x
    x = 68,443,403.98/11,048.76
  6. Step 6: Final answer
    x = 6,194.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.